﻿#region Copyright & licence

// This file is part of Refix.
// 
// Refix is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
// 
// Refix is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with Refix.  If not, see <http://www.gnu.org/licenses/>.
// 
// Copyright (C) 2010-11 David Musgrove and others.

#endregion

using System;
using System.Collections.Generic;
using System.IO;
using System.Text;

using NUnit.Framework;

using Refix.Core.Commands;
using Refix.Core.Options;

namespace Refix.Core.Tests
{
    [TestFixture]
    public class CommandLineOptionsTest
    {
        [Test]
        public void TryParse_Typical_Queue_Parses_Correctly()
        {
            var queue = new Queue<string>();
            queue.Enqueue("vis");
            queue.Enqueue("-v");
            queue.Enqueue("arg1");
            var options = new CommandWithOptions(queue);
            Assert.IsInstanceOf(typeof(Visualize), options.Command);
            Assert.AreEqual(1, options.Options.Count);
            Assert.IsInstanceOf(typeof(Verbose), options.Options[0]);
            Assert.AreEqual(1, options.Arguments.Count);
            Assert.AreEqual("arg1", options.Arguments[0]);
        }

        [Test]
        public void TryParse_Unknown_Command_Parses_To_Help()
        {
            var builder = new StringBuilder();
            OutputWriter.Writer = new StringWriter(builder);
            var queue = new Queue<string>();
            queue.Enqueue("unknown");
            queue.Enqueue("-v");
            queue.Enqueue("arg1");
            var options = new CommandWithOptions(queue);
            Assert.IsInstanceOf(typeof(Help), options.Command);
        }
    }
}